/**
  ******************************************************************************
  * @file    fm33a0xxev_rng.h
  * @author  FM33A0XXEV Application Team
  * @version V1.0.0
  * @date    16-April-2020
  * @brief   This file contains all the functions prototypes for the RNG firmware library.  
  ******************************************************************************
  */
  
/* Define to prevent recursive inclusion -------------------------------------*/

#ifndef __FM33A0XXEV_RNG_H
#define __FM33A0XXEV_RNG_H


#ifdef __cplusplus
 extern "C" {
#endif

/* Includes ------------------------------------------------------------------*/

#include "FM33A0XXEV.h" 
   
#define	RNG_CR_EN_Pos	0	/* RNGʹÄܼĴæÆ÷£¬Èí¼þд1Æô¶¯ (RNG enable)
1£ºÆô¶¯RNG
0£º¹Ø±ÕRNG */
#define	RNG_CR_EN_Msk	(0x1U << RNG_CR_EN_Pos)
	/* Æô¶¯RNG */
	/* ¹Ø±ÕRNG */

#define	RNG_DOR_OUT_Pos	0	/* Ëæ»úÊýÉú³É½á¹û»òCRCÔËËã½á¹û¼Ä´æÆ÷£¬Ö»¶Á
(RNG output) */
#define	RNG_DOR_OUT_Msk	(0xffffffffU << RNG_DOR_OUT_Pos)

#define	RNG_SR_LFSREN_Pos	1	/* LFSR״̬±êÖ¾£¬Ö»¶Á (LFSR enable)
1£ºLFSRÔÚÔËÐÐÖУ¬²»¿É½øÐÐCRCÑéÖ¤
0£ºLFSR²»ÔÚÔËÐÐÖУ¬¿É½øÐÐCRCÑéÖ¤
×¢£º±¾¼Ä´æÆ÷²»»áÒýÆðÄ£¿éÖжϣ¬½ö¹©²éѯ */
#define	RNG_SR_LFSREN_Msk	(0x1U << RNG_SR_LFSREN_Pos)
	/* LFSRÔÚÔËÐÐÖУ¬²»¿É½øÐÐCRCÑéÖ¤ */
	/* LFSR²»ÔÚÔËÐÐÖУ¬¿É½øÐÐCRCÑéÖ¤ */
	/* ±¾¼Ä´æÆ÷²»»áÒýÆðÄ£¿éÖжϣ¬½ö¹©²éѯ */

#define	RNG_SR_RNF_Pos	0	/* Ëæ»úÊýÉú³Éʧ°Ü±êÖ¾£¬Èí¼þд1ÇåÁã (Random Number Fail)
1£ºËæ»úÊýδÄÜͨ¹ýÖÊÁ¿¼ì²â
0£ºËæ»úÊýͨ¹ýÖÊÁ¿¼ì²â */
#define	RNG_SR_RNF_Msk	(0x1U << RNG_SR_RNF_Pos)

#define	RNG_CRC_CR_CRCEN_Pos	0	/* CRCʹÄÜ¿ØÖƼĴæÆ÷£¬Èí¼þд1Æô¶¯CRC£¬ÔËËãÍê³ÉºóÓ²¼þ×Ô¶¯ÇåÁã (CRC enable)
1£ºCRCʹÄÜ
0£ºCRC¹Ø±Õ */
#define	RNG_CRC_CR_CRCEN_Msk	(0x1U << RNG_CRC_CR_CRCEN_Pos)
	/* CRCʹÄÜ */
	/* CRC¹Ø±Õ */

#define	RNG_CRC_DIR_CRCIN_Pos	0	/* CRCÔËËãÊý¾ÝÊäÈë¼Ä´æÆ÷ (CRC data input) */
#define	RNG_CRC_DIR_CRCIN_Msk	(0xffffffffU << RNG_CRC_DIR_CRCIN_Pos)

#define	RNG_CRC_SR_CRCDONE_Pos	0	/* CRC¼ÆËãÍê³É±êÖ¾£¬Èí¼þд0ÇåÁã (CRC calculation done)
1£ºCRC¼ÆËãÍê³É
0£ºCRC¼ÆËãδÍê³É */
#define	RNG_CRC_SR_CRCDONE_Msk	(0x1U << RNG_CRC_SR_CRCDONE_Pos)
//Macro_End

/* Exported functions --------------------------------------------------------*/ 
extern void RNG_Deinit(void);

/* RNGʹÄܼĴæÆ÷£¬Èí¼þд1Æô¶¯ (RNG enable)
1£ºÆô¶¯RNG
0£º¹Ø±ÕRNG Ïà¹Øº¯Êý */
extern void RNG_CR_EN_Setable(FunState NewState);
extern FunState RNG_CR_EN_Getable(void);

/* Ëæ»úÊýÉú³É½á¹û»òCRCÔËËã½á¹û¼Ä´æÆ÷£¬Ö»¶Á
(RNG output) Ïà¹Øº¯Êý */
extern uint32_t RNG_DOR_Read(void);

/* LFSR״̬±êÖ¾£¬Ö»¶Á (LFSR enable)
1£ºLFSRÔÚÔËÐÐÖУ¬²»¿É½øÐÐCRCÑéÖ¤
0£ºLFSR²»ÔÚÔËÐÐÖУ¬¿É½øÐÐCRCÑéÖ¤
×¢£º±¾¼Ä´æÆ÷²»»áÒýÆðÄ£¿éÖжϣ¬½ö¹©²éѯ Ïà¹Øº¯Êý */
extern FlagStatus RNG_SR_LFSREN_Chk(void);

/* Ëæ»úÊýÉú³Éʧ°Ü±êÖ¾£¬Èí¼þд1ÇåÁã (Random Number Fail)
1£ºËæ»úÊýδÄÜͨ¹ýÖÊÁ¿¼ì²â
0£ºËæ»úÊýͨ¹ýÖÊÁ¿¼ì²â Ïà¹Øº¯Êý */
extern void RNG_SR_RNF_Clr(void);
extern FlagStatus RNG_SR_RNF_Chk(void);

/* CRCʹÄÜ¿ØÖƼĴæÆ÷£¬Èí¼þд1Æô¶¯CRC£¬ÔËËãÍê³ÉºóÓ²¼þ×Ô¶¯ÇåÁã (CRC enable)
1£ºCRCʹÄÜ
0£ºCRC¹Ø±Õ Ïà¹Øº¯Êý */
extern void RNG_CRC_CR_CRCEN_Setable(FunState NewState);
extern FunState RNG_CRC_CR_CRCEN_Getable(void);

/* CRCÔËËãÊý¾ÝÊäÈë¼Ä´æÆ÷ (CRC data input) Ïà¹Øº¯Êý */
extern void RNG_CRC_DIR_Write(uint32_t SetValue);
extern uint32_t RNG_CRC_DIR_Read(void);

/* CRC¼ÆËãÍê³É±êÖ¾£¬Èí¼þд0ÇåÁã (CRC calculation done)
1£ºCRC¼ÆËãÍê³É
0£ºCRC¼ÆËãδÍê³É Ïà¹Øº¯Êý */
extern void RNG_CRC_SR_CRCDONE_Clr(void);
extern FlagStatus RNG_CRC_SR_CRCDONE_Chk(void);
//Announce_End
#ifdef __cplusplus
}
#endif

#endif /* __FM33A0XXEV_RNG_H */